String Reverse
Overview
The String Reverse operator reverses existing fields to generate new fields.
Input and Output
- Input: fields to be reversed
- Output: new fields
Parameter Description
Parameter |
Description |
Type |
Mandatory |
Default Value |
---|---|---|---|---|
Fields to be reversed |
Information about fields for string reversal conversion:
|
map |
Yes |
None |
Data Processing Rule
- Value reversal conversion is performed for fields.
- If the input data is null, no reversal conversion is performed.
- If the number of input field columns is greater than the number of field columns actually included in the original data, all data becomes dirty data.
Example
Use the CSV File Input operator to generate fields A and B.
The following figure shows the source file.
abcd,product FusionInsight,Bigdata
Configure the String Reverse operator to generate two new fields C and D.
After conversion, four fields are generated, as shown in the following figure.
abcd,product,dcba,tcudorp FusionInsight,Bigdata,thgisnInoisuF,atadgiB
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